//容器最外层
.action-screen {
  //根容器
  &-container {
    width: 100%;
    height: 100%;
  }
  //根容器-头部
  &-header {
    height: 64px;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
  }
  //根容器-内容
  &-main {
    height: calc(100% - 64px);
  }
}
